Trevor tutors french for $15 and hour and scoops ice cream for $10 an hour. he is going to work 15 hours this week. how many hours does trevor need to tutor to make at least $180?

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?

This graph shows a portion of an odd function. use the graph to complete the table of values. x f(x) −2 −3 −4 −6 im sorry i cant get the graph up